Home / 22,205.19-33,291.32-13,438.02

Finding the Fourth Proportional to 22,205.19, 33,291.32 and 13,438.02

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Solution

The fourth proportional to 22,205.19, 33,291.32 and 13,438.02 is: 20,147.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,205.19 : 33,291.32 = 13,438.02 : x
  2. Step 2: Convert to fraction form
    22,205.19/33,291.32 = 13,438.02/x
  3. Step 3: Cross multiply
    22,205.19x = 33,291.32 × 13,438.02
  4. Step 4: Simplify right side
    22,205.19x = 447,369,356.80
  5. Step 5: Solve for x
    x = 447,369,356.80/22,205.19
  6. Step 6: Final answer
    x = 20,147.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.